Seyyed Ali Hosseini Khamenei (born 19 April 1939) is a Twelver Shia marja’ and politician who has served as the second Supreme Leader of Iran since 1989. He previously served as the third president of Iran from 1981 to 1989. Khamenei’s 35-year-long rule makes him the longest-serving head of state in the Middle East, as well as the second-longest-serving Iranian leader of the last century after Shah Mohammad Reza Pahlavi.According to his official website, Khamenei was arrested six times before being sent into exile for three years during Mohammad Reza Pahlavi’s reign. After the Iranian revolution overthrowing the shah, he was the target of an attempted assassination in June 1981 that paralyzed his right arm.